Re: [gmx-users] Re: gromacs and pH description!

2007-01-30 Thread Antonio Baptista
On Tue, 30 Jan 2007, David van der Spoel wrote: Mark Abraham wrote: Florian Haberl wrote: 1) how can i explaine "pH" into my system ( consisting protein & Na+ ions ) under gromacs? i'd like to reach to pH ~ 4.5 or 5 in my system. What concentration of H+ ions are needed to get to these pH

Re: [gmx-users] Re: gromacs and pH description!

2007-01-30 Thread David Mobley
I agree that this would be a good idea. We would need to think carefully about how to validate it though. On 1/30/07, Jay Mashl <[EMAIL PROTECTED]> wrote: On Tue, 30 Jan 2007, David van der Spoel wrote: > > Mark Abraham wrote: >> Florian Haberl wrote: >> >> > > 1) how can i explaine "pH" int

Re: [gmx-users] Re: gromacs and pH description!

2007-01-30 Thread Jay Mashl
On Tue, 30 Jan 2007, David van der Spoel wrote: Mark Abraham wrote: Florian Haberl wrote: > > 1) how can i explaine "pH" into my system ( consisting protein & Na+ > > ions > > ) under gromacs? i'd like to reach to pH ~ 4.5 or 5 in my system. What concentration of H+ ions are needed to

Re: [gmx-users] Re: gromacs and pH description!

2007-01-29 Thread David van der Spoel
Mark Abraham wrote: Florian Haberl wrote: 1) how can i explaine "pH" into my system ( consisting protein & Na+ ions ) under gromacs? i'd like to reach to pH ~ 4.5 or 5 in my system. What concentration of H+ ions are needed to get to these pH values? Can you do that in a system with 10^4 to

Re: [gmx-users] Re: gromacs and pH description!

2007-01-29 Thread Mark Abraham
Florian Haberl wrote: 1) how can i explaine "pH" into my system ( consisting protein & Na+ ions ) under gromacs? i'd like to reach to pH ~ 4.5 or 5 in my system. What concentration of H+ ions are needed to get to these pH values? Can you do that in a system with 10^4 to 10^5 atoms? Even if y

[gmx-users] Re: gromacs and pH description!

2007-01-28 Thread Florian Haberl
hi, please post further questions to the gromacs mailing list, i have forwarded to it. On Sunday, 28. January 2007 09:26, you wrote: > Hallo Dear florian > > mein name ist kourosh bamdad und ich bin student, ich studire biophysik > (Ph.D.) in Iran. ich habe zwei fragen bitte: > 1) how can i